Convert AVI to MP3
Free, fast and secure — convert AVI to MP3 right in your browser.
Pull the audio out of your AVI as MP3
Converting AVI to MP3 extracts a clean audio track from your video, giving you a compact MP3 audio you can play, share or add to a playlist without the video.
How to convert AVI to MP3
- 1 Drop your AVI file into the converter above.
- 2 It is converted to MP3 automatically — no settings to fiddle with.
- 3 Download your new MP3 file instantly.
AVI vs MP3
| Feature | AVI | MP3 |
|---|---|---|
| Compression | Lossy | Lossy |
| Transparency | No | No |
| Animation | Yes | No |
| MIME type | video/x-msvideo | audio/mpeg |
| Best for | Legacy desktop video — usually converted to MP4 for sharing and streaming. | Music, podcasts and voice that need to play everywhere at a small size. |
About the formats
AVI video
AVI is a long-standing Microsoft container. It is widely readable on desktops and can store high-quality video, but its files are large and it lacks modern streaming features.
Strengths
- Broad desktop compatibility
- Simple, well-understood format
- Can hold high-quality video
Limitations
- Large file sizes
- No modern streaming features
- Weak mobile/browser support
Best for: Legacy desktop video — usually converted to MP4 for sharing and streaming.
MP3 audio
MP3 is the world’s most compatible audio format. Its lossy compression makes small files that play on every device and app, which is why it is still the default for music and podcasts.
Strengths
- Plays on virtually everything
- Small, convenient files
- Adjustable bitrate
Limitations
- Lossy — discards some audio detail
- Not ideal for archiving
- No lossless option
Best for: Music, podcasts and voice that need to play everywhere at a small size.